Hakon Boas

Oslo, Norway

Last Updated: 09/26/2026

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Found 40 publications

New-onset autoimmune disease following SARS-CoV-2 infection and mRNA vaccination in Norway: A retrospective cohort study.

New-onset autoimmune disease following SARS-CoV-2 infection and mRNA vaccination in Norway: A retrospective cohort study.

Journal: Journal of internal medicine
Published: December 02, 2025

Increasing incidence of pertussis before scheduled primary school booster vaccinations in Norway, 1998-2019.

Increasing incidence of pertussis before scheduled primary school booster vaccinations in Norway, 1998-2019.

Journal: Vaccine
Published: October 29, 2025

Surveillance of severe acute respiratory infections associated with SARS-CoV-2, influenza virus and RSV using ICD-10 codes: a case definition accuracy study across five European countries, 2021 to 2023.

Surveillance of severe acute respiratory infections associated with SARS-CoV-2, influenza virus and RSV using ICD-10 codes: a case definition accuracy study across five European countries, 2021 to 2023.

Journal: Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin
Published: July 11, 2025

Adverse events following SARS-CoV-2 mRNA vaccination in norwegian adolescents.

Adverse events following SARS-CoV-2 mRNA vaccination in norwegian adolescents.

Journal: Scientific reports
Published: July 09, 2025

A DNA methylation-based algorithm for diagnosing rheumatoid arthritis.

A DNA methylation-based algorithm for diagnosing rheumatoid arthritis.

Journal: Arthritis research & therapy
Published: March 25, 2025

Changed epidemiology of influenza and RSV hospitalizations after the emergence of SARS-CoV-2 in Norway, 2017-2024.

Changed epidemiology of influenza and RSV hospitalizations after the emergence of SARS-CoV-2 in Norway, 2017-2024.

Journal: Annals of epidemiology
Published: January 28, 2025

Healthcare-associated COVID-19 infections and mortality.

Healthcare-associated COVID-19 infections and mortality.

Journal: The Journal of hospital infection
Published: October 21, 2024

COVID-19 mRNA vaccination and all-cause mortality in the adult population in Norway during 2021-2023: a population-based cohort study.

COVID-19 mRNA vaccination and all-cause mortality in the adult population in Norway during 2021-2023: a population-based cohort study.

Journal: BMJ public health
Published: August 06, 2024

Registry-Based Surveillance of Severe Acute Respiratory Infections in Norway During 2021-2024.

Registry-Based Surveillance of Severe Acute Respiratory Infections in Norway During 2021-2024.

Journal: Influenza and other respiratory viruses
Published: July 25, 2024

Increase in invasive group A streptococcal infections (iGAS) in children and older adults, Norway, 2022 to 2024.

Increase in invasive group A streptococcal infections (iGAS) in children and older adults, Norway, 2022 to 2024.

Journal: Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin
Published: May 17, 2024

Effectiveness of one and two doses of acellular pertussis vaccines against laboratory-confirmed pertussis requiring hospitalisation in infants: Results of the PERTINENT sentinel surveillance system in six EU/EEA countries, December 2015 - December 2019.

Effectiveness of one and two doses of acellular pertussis vaccines against laboratory-confirmed pertussis requiring hospitalisation in infants: Results of the PERTINENT sentinel surveillance system in six EU/EEA countries, December 2015 - December 2019.

Journal: Vaccine
Published: November 21, 2023

No association between disease severity and respiratory syncytial virus subtypes RSV-A and RSV-B in hospitalized young children in Norway.

No association between disease severity and respiratory syncytial virus subtypes RSV-A and RSV-B in hospitalized young children in Norway.

Journal: PloS one
Published: August 16, 2023
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Last Updated: 09/26/2026